39893620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153437}}^1$

素因数の和:153459

約数の個数: 24

約数和(自身を含む): 90221544

約数和(自身を除く): 50327924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153437, 306874, 613748, 767185, 1534370, 1994681, 3068740, 3989362, 7978724, 9973405, 19946810, 39893620]

約数ペア:

[(1, 39893620), (2, 19946810), (4, 9973405), (5, 7978724), (10, 3989362), (13, 3068740), (20, 1994681), (26, 1534370), (52, 767185), (65, 613748), (130, 306874), (260, 153437)]